单项选择题

A．Germinal center of secondary lymphoid nodules B．White……

In which of the following sites do lymphocytes become immunocompetent

A．Germinal center of secondary lymphoid nodules
B．White pulp of the spleen
C．Thymus cortex
D．Red pulp of the spleen
E．Paracortex of lymph nodes

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热门试题

单项选择题Prolactin is synthesized and secreted by which of the following cells

A．Acidophils in the pars distails
B．Basophils in the pars tuberalis
C．Somatotrophs in the pars distalis
D．Basophils in the pars intermedia
E．Chief cell

单项选择题Which of the following statements concerning secondary ovarian follicles is TRUE

A．They lack liquor folliculi
B．They contain a secondary oocyte
C．Their continued maturation requires FSH
D．They lack a theca externa
E．They have a single layer of cuboidal follicular cells surrounding the oocyte

单项选择题Seminiferous tubules contain all of the following components EXCEPT

A．Sertoli cells
B．Spermatocytes
C．A fibrous connective tissue tunic
D．Skeletal muscle in their tunica propria
E．A germinal epithelium

单项选择题All of the following cell types are found in the brain EXCEPT

A．Purkinje cells
B．Stellate cells
C．Schwann cells
D．Small granule cells
E．Pyramidal cells

单项选择题A nephron includes all of the following components EXCEPT

A．A renal corpuscle
B．A distal convoluted tubule
C．A thin limb of the loop of Henle
D．A collecting tubule
E．Pars recta of the proximal tubule